AI gateway

OpenRouter

OpenRouter (AI gateway) for coding agents: 2 sources, including an llms.txt and an MCP server, and the files that show a project uses it.

llms.txt
MCP server

Sources

OpenRouter llms.txt (opens in a new tab)llms.txt · openrouter.ai/llms.txt
OpenRouter MCP server setup (opens in a new tab)MCP server · openrouter.ai/docs/guides/overview/mcp-server.md

How agents detect OpenRouter

Any of these in a repository tells an agent the project uses OpenRouter. How signals work.

Env varOPENROUTER_API_KEY env var
Hintopenrouter.ai/api/v1 base URL
Hintmodel IDs such as openai/gpt-4o